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Author Question: Discuss how energy conservation applies to a swinging pendulum. Where is potential energy the most? ... (Read 84 times)

pragya sharda

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on: Jul 29, 2018
Discuss how energy conservation applies to a swinging pendulum. Where is potential energy the most? Where is it the least? Where is kinetic energy the most? Where is it the least? Where is the pendulum bob moving fastest? Where is it the slowest?
 
  What will be an ideal response?

Question 2

At the edge of a cliff you throw one ball downward and another ball upward at the same speed. Which will hit the ground faster? Does direction of the thrown ball make a difference? Explain.
 
  What will be an ideal response?

Question 3

A 10-kg rock and a 20-kg rock are thrown upward with the same initial speed v0 and experience no significant air resistance. If the 10-kg rock reaches a maximum height h, what maximum height will the 20-kg ball reach?
 
  A) h/4 B) h/2 C) 2h D) h E) 4h
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kiamars2010

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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pragya sharda

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Reply 2 on: Jul 29, 2018
Excellent

mjenn52

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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